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Bicycle Bob · 05-16-2009, 11:15 PM

A strong magnet with a sq inch of surface should be fine. I found one stuck to my auto trans oil pan. External applications probably work, too, through thin steel.

05-16-2009, 11:15 PM	#5 (permalink)
Bicycle Bob EcoModding Apprentice Join Date: May 2008 Location: N. Saskatchewan, CA Posts: 1,805 Appliance White - '93 Geo Metro 4-Dr. Auto Last 3: 42.35 mpg (US) Stealth RV - '91 Chevy Sprint Base Thanks: 91 Thanked 459 Times in 327 Posts	A strong magnet with a sq inch of surface should be fine. I found one stuck to my auto trans oil pan. External applications probably work, too, through thin steel.